From 5774e04a3ef9eaa43af7f39d7057a146b53177fa Mon Sep 17 00:00:00 2001
From: closure <retval@me.com>
Date: Sat, 16 Jul 2016 00:07:17 +0800
Subject: [PATCH] fix BSSingleton.source access with multi-thread

---
 Source/BSSingleton.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/BSSingleton.m b/Source/BSSingleton.m
index ef691cc..42cf378 100644
--- a/Source/BSSingleton.m
+++ b/Source/BSSingleton.m
@@ -2,7 +2,7 @@
 #import "BSProvider.h"
 
 @interface BSSingleton ()
-@property (nonatomic, strong) id<BSProvider> source;
+@property (atomic, strong) id<BSProvider> source;
 @property (nonatomic, strong) id instance;
 @end